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<p><font size="4"><b>ATAN</b></font></p>
<table border="1" cellpadding="10" cellspacing="0" style="border-collapse: collapse; border-style: solid; border-width: 2" bordercolor="#111111" width="46%">
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    <td width="26%" style="border-width: 2"><b>ARGUMENT TYPE</b></td>
    <td width="24%" style="border-width: 2"><b>RESULT TYPE</b></td>
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    <td width="26%" style="border-left-width: 2; border-right-width: 2; border-top-style: solid; border-top-width: 1; border-bottom-style: solid; border-bottom-width: 1; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1">REAL(DP)</td>
    <td width="24%" style="border-left-width: 2; border-right-width: 2; border-top-style: solid; border-top-width: 1; border-bottom-style: solid; border-bottom-width: 1; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1">REAL(DP)</td>
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    <td width="26%" style="border-left-width: 2; border-right-width: 2; border-top-style: solid; border-top-width: 1; border-bottom-style: solid; border-bottom-width: 1; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1">
    <a href="../l_complex_taylor.htm#DATANTT">TAYLOR</a></td>
    <td width="24%" style="border-left-width: 2; border-right-width: 2; border-top-style: solid; border-top-width: 1; border-bottom-style: solid; border-bottom-width: 1; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1">TAYLOR</td>
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    <td width="26%" style="border-left-width: 2; border-right-width: 2; border-top-style: solid; border-top-width: 1; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1">
    <a href="../m_real_polymorph.htm#DATANT">REAL_8</a></td>
    <td width="24%" style="border-left-width: 2; border-right-width: 2; border-top-style: solid; border-top-width: 1; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1">REAL_8</td>
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    <td width="26%" style="border-left-width: 2; border-right-width: 2; border-top-style: solid; border-top-width: 1; border-bottom-style: solid; border-bottom-width: 1; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1">
    COMPLEX</td>
    <td width="24%" style="border-left-width: 2; border-right-width: 2; border-top-style: solid; border-top-width: 1; border-bottom-style: solid; border-bottom-width: 1; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1">
    Not F90</td>
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    <td width="26%" style="border-left-width: 2; border-right-width: 2; border-top-style: solid; border-top-width: 1; border-bottom-style: solid; border-bottom-width: 1; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1">
    <a href="../l_complex_taylor.htm#DATANT">COMPLEXTAYLOR</a></td>
    <td width="24%" style="border-left-width: 2; border-right-width: 2; border-top-style: solid; border-top-width: 1; border-bottom-style: solid; border-bottom-width: 1; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1">COMPLEXTAYLOR</td>
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    <td width="26%" style="border-left-width: 2; border-right-width: 2; border-bottom-style: solid; border-bottom-width: 1; padding-left: 4; padding-right: 4; padding-top: 1; padding-bottom: 1">
    DOUBLE_COMPLEX</td>
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    Not Supported</td>
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